单选题MrsBrownisn'there.Shehasto_______

单选题 Mrs Brown isn't here. She has to ________ her baby at home.A.look atB.look forC.look likeD.look after

D解析look所组成的词组的区别：look at“看”；look for“寻找”；look like“看起来像”；look after“照顾”。

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